Home / 680,098.91-1,020,021.50-275,185.00

Finding the Fourth Proportional to 680,098.91, 1,020,021.50 and 275,185.00

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Solution

The fourth proportional to 680,098.91, 1,020,021.50 and 275,185.00 is: 412,726.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,098.91 : 1,020,021.50 = 275,185.00 : x
  2. Step 2: Convert to fraction form
    680,098.91/1,020,021.50 = 275,185.00/x
  3. Step 3: Cross multiply
    680,098.91x = 1,020,021.50 × 275,185.00
  4. Step 4: Simplify right side
    680,098.91x = 280,694,614,866.09
  5. Step 5: Solve for x
    x = 280,694,614,866.09/680,098.91
  6. Step 6: Final answer
    x = 412,726.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.